Financing (Long-Term Debt Narratives) (Details) - USD ($)					3 Months Ended		9 Months Ended
	Aug. 14, 2017	Jul. 06, 2017	Jun. 28, 2017	Jul. 01, 2015	Mar. 31, 2018	Mar. 31, 2017	Mar. 31, 2018	Mar. 31, 2017	Jun. 30, 2017
Line of Credit Facility [Line Items]
Long-term Debt					$ 108,393,000		$ 108,393,000		$ 53,403,000
Debt Issuance Costs, Net									$ 671,000
Principal payments on long-term borrowings	$ 50,000,000						50,000,000	$ 16,117,000
Write off of Deferred Debt Issuance Cost							815,000
Derivative, term of contract				5 years
Fixed quarterly interest rate				1.52%
Derivative notional amount				$ 39,250,000
Outstanding balance, percent				50.00%
Derivative, gain on derivative					$ 138,000	$ 116,000	$ 341,000	$ 941,000
Revolving Credit Facility
Line of Credit Facility [Line Items]
Maximum borrowing capacity			$ 35,000
Term Loan
Line of Credit Facility [Line Items]
Long-term Debt			160,000,000
Long-term Debt
Line of Credit Facility [Line Items]
Long-term debt, weighted average interest rate					3.70%		3.70%
June 2017 Term Loan [Member] | Credit Agreement [Member]
Line of Credit Facility [Line Items]
Long-term Debt			55,000,000
June 2017 Term Loan [Member] | Credit Agreement [Member] | Debt Instrument, Redemption, Period One | Long-term Debt
Line of Credit Facility [Line Items]
Debt instrument, periodic payment			700,000
June 2017 Term Loan [Member] | Credit Agreement [Member] | Debt Instrument, Redemption, Period Two | Long-term Debt
Line of Credit Facility [Line Items]
Debt instrument, periodic payment			1,000,000
June 2017 Term Loan [Member] | Credit Agreement [Member] | Debt Instrument, Redemption, Period Three | Long-term Debt
Line of Credit Facility [Line Items]
Debt instrument, periodic payment			1,400,000
July 2017 Term Loan [Member] | Credit Agreement [Member]
Line of Credit Facility [Line Items]
Long-term Debt		$ 105,000,000
July 2017 Term Loan [Member] | Credit Agreement [Member] | Debt Instrument, Redemption, Period One | Long-term Debt
Line of Credit Facility [Line Items]
Debt instrument, periodic payment		1,300,000
July 2017 Term Loan [Member] | Credit Agreement [Member] | Debt Instrument, Redemption, Period Two | Long-term Debt
Line of Credit Facility [Line Items]
Debt instrument, periodic payment		2,000,000
July 2017 Term Loan [Member] | Credit Agreement [Member] | Debt Instrument, Redemption, Period Three | Long-term Debt
Line of Credit Facility [Line Items]
Debt instrument, periodic payment		$ 2,600,000
Term Loan [Member] | Credit Agreement [Member]
Line of Credit Facility [Line Items]
Incremental Term Loan Maximum Borrowing Capacity			50,000,000
Deferred finance costs					$ 2,074,000		$ 2,074,000
Credit Facility, Maximum Amount, Purchase Of Stock Or Stock Options			2,000,000
Credit Facility, Maximum Amount, Share Repurchase			20,000,000
Credit Facility, Maximum Amount, Dividend And Distributions			$ 6,000,000
Term Loan [Member] | Credit Agreement [Member] | Federal Funds Effective Swap Rate [Member] | Revolving Credit Facility
Line of Credit Facility [Line Items]
Debt instrument, basis spread on variable rate			0.50%
Term Loan [Member] | Credit Agreement [Member] | Base Rate | Revolving Credit Facility
Line of Credit Facility [Line Items]
Debt instrument, basis spread on variable rate			1.00%
Term Loan [Member] | Credit Agreement [Member] | Minimum | Revolving Credit Facility
Line of Credit Facility [Line Items]
Line of credit facility, unused capacity, commitment fee percentage			0.25%
Term Loan [Member] | Credit Agreement [Member] | Minimum | London Interbank Offered Rate (LIBOR) | Revolving Credit Facility
Line of Credit Facility [Line Items]
Debt instrument, basis spread on variable rate			1.75%
Term Loan [Member] | Credit Agreement [Member] | Minimum | Base Rate | Revolving Credit Facility
Line of Credit Facility [Line Items]
Debt instrument, basis spread on variable rate			0.75%
Term Loan [Member] | Credit Agreement [Member] | Maximum | Revolving Credit Facility
Line of Credit Facility [Line Items]
Line of credit facility, unused capacity, commitment fee percentage			0.50%
Term Loan [Member] | Credit Agreement [Member] | Maximum | London Interbank Offered Rate (LIBOR) | Revolving Credit Facility
Line of Credit Facility [Line Items]
Debt instrument, basis spread on variable rate			3.00%
Term Loan [Member] | Credit Agreement [Member] | Maximum | Base Rate | Revolving Credit Facility
Line of Credit Facility [Line Items]
Debt instrument, basis spread on variable rate			2.00%